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One function of iron-sulfur clusters and heme cofactors is to participate in electron transfer reactions. Describe how nature obtains a large variation in reduction potentials using these cofactors when the iron atoms can only change between the Fe+2 and Fe+3 oxidation states.
At 25 °C only 0.0420 mol of the generic salt AB3 is soluble in 1.00 L of water. What is the Ksp of the salt at 25 °C?
How would a student make 500.0 mL of a 0.07000 M solution of iron (III) using a stock solution that is 0.2550 M in iron (III)? Explain how this would be done.
what would happen to the molar mass of the solute if the thermometer used actually read 1.4 degrees Celsius too high?
Why is sodium bicarbonate used with acids and used in cooking
50.0g of n2o4 is introduced into an evacuated 2.00l vessel andallowed to come to equilibrium with its decomposition
A sample of solid having a density of 3.43 g/cm3 had an apparent mass of 13.9264. The density of the balance weights is 8.00 g/cm3. Calculate the true mass of the object.
Calculating the Moles of Aspirin, The molecular formula for aspirin is HC9H7O4, Calculate the molecular weight for aspirin
A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature.
one mole of water intially at 50 degrees celcius is heated to140 degrees celcius at a constant pressure of 1.00 atm.
If 75 g of liquid water (C = 4.18 J/g-oC) in a calorimeter changes temperature from 25°C to 75°C, how much heat was transferred? Use the equation C = q/mT.
If the temperature changes to 89 degrees celsius with no change in volume or amount of gas, what is the new pressure, P2 , of the gas inside the container
Write a balanced chemical equation for this reaction. Express your answer as a chemical equation. Identify all of the phases in your answer.
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